Bug 249449 – ASSERTION FAILED in ~GraphicsContextGLTextureMapperANGLE

• Status: RESOLVED
• Resolution: FIXED
• Component: WebGL

[Fujii Hironori]

WebKitGPUProcess.exe of WinCairo WK2 Debug is crashing for webgl/webgl-fail-platform-context-creation-no-crash.html

ASSERTION FAILED: success
C:\jenkins_slave\wincairo-main\Source\WebCore\platform\graphics\texmap\GraphicsContextGLTextureMapperANGLE.cpp(125) : WebCore::GraphicsContextGLTextureMapperANGLE::~GraphicsContextGLTextureMapperANGLE
1   00007FFA7476248B WTFCrash
2   00007FFA2F2ADA5E WTFCrashWithInfo
3   00007FFA2F484458 WebCore::GraphicsContextGLTextureMapperANGLE::~GraphicsContextGLTextureMapperANGLE
4   00007FFA2F48783A WebCore::GraphicsContextGLTextureMapperANGLE::`vector deleting destructor'
5   00007FFA2F487640 std::default_delete<WebCore::GraphicsContextGL>::operator()
6   00007FFA2F487E0B WTF::RefCounted<WebCore::GraphicsContextGL,std::default_delete<WebCore::GraphicsContextGL> >::deref
7   00007FFA2F4872A3 WTF::Ref<WebCore::GraphicsContextGLTextureMapperANGLE,WTF::RawPtrTraits<WebCore::GraphicsContextGLTextureMapperANGLE> >::~Ref<WebCore::GraphicsContextGLTextureMapperANGLE,WTF::RawPtrTraits<WebCore::GraphicsContextGLTextureMapperANGLE> >
8   00007FFA2F484387 WebCore::GraphicsContextGLTextureMapperANGLE::create
9   00007FFA41E612A7 WebKit::RemoteGraphicsContextGLWC::platformWorkQueueInitialize
10  00007FFA42997F25 WebKit::RemoteGraphicsContextGL::workQueueInitialize
11  00007FFA4299DC01 `WebKit::RemoteGraphicsContextGL::initialize'::`2'::<lambda_1>::operator()
12  00007FFA429A156B WTF::Detail::CallableWrapper<`WebKit::RemoteGraphicsContextGL::initialize'::`2'::<lambda_1>,void>::call
13  00007FFA41EDBFA4 WTF::Function<void __cdecl(void)>::operator()
14  00007FFA42E8AD18 IPC::StreamConnectionWorkQueue::processStreams
15  00007FFA42E8AFA5 `IPC::StreamConnectionWorkQueue::startProcessingThread'::`2'::<lambda_1>::operator()
16  00007FFA42E8B4DB WTF::Detail::CallableWrapper<`IPC::StreamConnectionWorkQueue::startProcessingThread'::`2'::<lambda_1>,void>::call
17  00007FFA7477A473 WTF::Function<void __cdecl(void)>::operator()
18  00007FFA74820A58 WTF::Thread::entryPoint
19  00007FFA748FCD24 WTF::wtfThreadEntryPoint
20  00007FFA99D51BB2 configthreadlocale
21  00007FFA9ACD7614 BaseThreadInitThunk
22  00007FFA9C4C26A1 RtlUserThreadStart

[Fujii Hironori]

The test case was added by 257843@main (bug#249214).

[Fujii Hironori]

Created attachment 464067 [details]
Patch

[Fujii Hironori]

Cocoa port checks the return value there.
https://github.com/WebKit/WebKit/blob/24540c7a6767717f61a5423cbf468b162bd1b88a/Source/WebCore/platform/graphics/cocoa/GraphicsContextGLCocoa.mm#L464

[EWS]

Committed 258021@main (9de68063d5f0): <https://commits.webkit.org/258021@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 464067 [details].

[Radar WebKit Bug Importer]

<rdar://problem/103462049>